Home / 229,661,861.20-344,492,791.80-209,573,391.40

Finding the Fourth Proportional to 229,661,861.20, 344,492,791.80 and 209,573,391.40

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Solution

The fourth proportional to 229,661,861.20, 344,492,791.80 and 209,573,391.40 is: 314,360,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,661,861.20 : 344,492,791.80 = 209,573,391.40 : x
  2. Step 2: Convert to fraction form
    229,661,861.20/344,492,791.80 = 209,573,391.40/x
  3. Step 3: Cross multiply
    229,661,861.20x = 344,492,791.80 × 209,573,391.40
  4. Step 4: Simplify right side
    229,661,861.20x = 72,196,522,690,380,112
  5. Step 5: Solve for x
    x = 72,196,522,690,380,112/229,661,861.20
  6. Step 6: Final answer
    x = 314,360,087.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.